openjdk has been removed but I am seeing something similar with openjdk
to, so reopened + reassigned.
With 10 installed:
$ ./Minecraft.jar
invalid file (bad magic number): Exec format error
$ /usr/lib/jvm/java-10-openjdk-amd64/lib/jexec Minecraft.jar
invalid file (bad magic number): Exec format error
$ sudo update-alternatives --display java
java - auto mode
link best version is /usr/lib/jvm/java-10-openjdk-amd64/bin/java
link currently points to /usr/lib/jvm/java-10-openjdk-amd64/bin/java
link java is /usr/bin/java
slave java.1.gz is /usr/share/man/man1/java.1.gz
/usr/lib/jvm/java-10-openjdk-amd64/bin/java - priority 1101
slave java.1.gz: /usr/lib/jvm/java-10-openjdk-amd64/man/man1/java.1.gz
/usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java - priority 1081
slave java.1.gz: /usr/lib/jvm/java-8-openjdk-amd64/jre/man/man1/java.1.gz
$ sudo update-alternatives --display jexec
jexec - auto mode
link best version is /usr/lib/jvm/java-10-openjdk-amd64/lib/jexec
link currently points to /usr/lib/jvm/java-10-openjdk-amd64/lib/jexec
link jexec is /usr/bin/jexec
slave jexec-binfmt is /usr/share/binfmts/jar
/usr/lib/jvm/java-10-openjdk-amd64/lib/jexec - priority 1101
slave jexec-binfmt: /usr/lib/jvm/java-10-openjdk-amd64/lib/jar.binfmt
/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/jexec - priority 1081
slave jexec-binfmt: /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/jar.binfmt
$ dpkg -l "openjdk*"
Desired=Unknown/Install/Remove/Purge/Hold
|
Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-=======================-================-================-====================================================
un openjdk-10-demo <none> <none> (no
description available)
ii openjdk-10-jdk:amd64 10.0.1+10-4 amd64 OpenJDK
Development Kit (JDK)
ii openjdk-10-jdk-headless 10.0.1+10-4 amd64 OpenJDK
Development Kit (JDK) (headless)
ii openjdk-10-jre:amd64 10.0.1+10-4 amd64 OpenJDK Java
runtime, using Hotspot JIT
ii openjdk-10-jre-headless 10.0.1+10-4 amd64 OpenJDK Java
runtime, using Hotspot JIT (headless)
un openjdk-10-source <none> <none> (no
description available)
un openjdk-6-jre <none> <none> (no
description available)
un openjdk-6-jre-headless <none> <none> (no
description available)
in openjdk-7-jre-lib <none> all (no
description available)
un openjdk-8-demo <none> <none> (no
description available)
ii openjdk-8-jdk:amd64 8u162-b12-1 amd64 OpenJDK
Development Kit (JDK)
ii openjdk-8-jdk-headless: 8u162-b12-1 amd64 OpenJDK
Development Kit (JDK) (headless)
ii openjdk-8-jre:amd64 8u162-b12-1 amd64 OpenJDK Java
runtime, using Hotspot JIT
ii openjdk-8-jre-headless: 8u162-b12-1 amd64 OpenJDK Java
runtime, using Hotspot JIT (headless)
un openjdk-8-source <none> <none> (no
description available)
rc openjdk-9-jre-headless: 9.0.4+12-2 amd64 OpenJDK Java
runtime, using Hotspot JIT (headless)
$ strace -fff /usr/lib/jvm/java-10-openjdk-amd64/lib/jexec ./Minecraft.jar
execve("/usr/lib/jvm/java-10-openjdk-amd64/lib/jexec",
["/usr/lib/jvm/java-10-openjdk-amd"..., "./Minecraft.jar"], 0x7ffd79d3e760 /*
52 vars */) = 0
brk(NULL) = 0x55b7b57f4000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=280250, ...}) = 0
mmap(NULL, 280250, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f01c424c000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3,
"\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\33\2\0\0\0\0\0"..., 832) =
832
fstat(3, {st_mode=S_IFREG|0755, st_size=1800248, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7f01c424a000
mmap(NULL, 3906368, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7f01c3cb3000
mprotect(0x7f01c3e64000, 2093056, PROT_NONE) = 0
mmap(0x7f01c4063000, 24576, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b0000) = 0x7f01c4063000
mmap(0x7f01c4069000, 15168, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f01c4069000
close(3) = 0
arch_prctl(ARCH_SET_FS, 0x7f01c424b500) = 0
mprotect(0x7f01c4063000, 16384, PROT_READ) = 0
mprotect(0x55b7b43af000, 4096, PROT_READ) = 0
mprotect(0x7f01c4291000, 4096, PROT_READ) = 0
munmap(0x7f01c424c000, 280250) = 0
lstat("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/usr/lib", {st_mode=S_IFDIR|0755, st_size=73728, ...}) = 0
lstat("/usr/lib/jvm", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/usr/lib/jvm/java-10-openjdk-amd64", {st_mode=S_IFDIR|0755,
st_size=4096, ...}) = 0
lstat("/usr/lib/jvm/java-10-openjdk-amd64/lib", {st_mode=S_IFDIR|0755,
st_size=4096, ...}) = 0
lstat("/usr/lib/jvm/java-10-openjdk-amd64/lib/jexec", {st_mode=S_IFREG|0755,
st_size=10480, ...}) = 0
brk(NULL) = 0x55b7b57f4000
brk(0x55b7b5815000) = 0x55b7b5815000
getcwd("/local/scratch/ijc/Games", 4096) = 25
lstat("/local/scratch/ijc/Games/Minecraft.jar", {st_mode=S_IFREG|0755,
st_size=280212, ...}) = 0
openat(AT_FDCWD, "/local/scratch/ijc/Games/Minecraft.jar", O_RDONLY) = 3
read(3,
"PK\3\4\n\0\0\10\10\0\222t\354B\0\0\0\0\2\0\0\0\0\0\0\0\t\0\0\0ME"..., 65535) =
65535
close(3) = 0
dup(2) = 3
fcntl(3, F_GETFL) = 0x8002 (flags O_RDWR|O_LARGEFILE)
fstat(3, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 14), ...}) = 0
write(3, "invalid file (bad magic number):"..., 51invalid file (bad magic
number): Exec format error
) = 51
close(3) = 0
exit_group(1) = ?
+++ exited with 1 +++
Thanks,
Ian.
